Please help! Will give Brainliest and 20 POINTS!
your answer would be the first on because when you set up your equation you can find 4 by dividing 42,980 by 10 4 times wich will give you 10^4 when you divide exponents you subtract so iwill look like this.... 5x10^6----------= 1.25x10^2 4x10^4
